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Vernier acuity as a test of magnocellular sensitivity

Skottun, Bernt C. and Skoyles, John R. (2010) Vernier acuity as a test of magnocellular sensitivity. Neuro-Ophthalmology, 34 (2). pp. 82-87. ISSN 0165-8107

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Vernier acuity has been argued to provide a means to measure the integrity of the magnocellular visual pathway. This proposal is reviewed here and found to be inadequately supported for the following reasons: (1) the conditions under which Vernier acuity corresponds to magnocellular resolution differ from those used in psychophysical tests; (2) Vernier offsets can be induced by adaptation of cortical neurons; (3) factors other than the magnocellular system have the ability to interfere with Vernier acuity. Taken together, this review argues that Vernier acuity is at best limited as a selective test of magnocellular sensitivity.

Item Type: Article
Official URL:
Additional Information: © 2010 Informa
Library of Congress subject classification: Q Science > QP Physiology
Sets: Research centres and groups > Centre for Philosophy of Natural and Social Science (CPNSS)
Identification Number: UT ISI:000283294800003
Date Deposited: 11 Nov 2010 11:40

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